P0150 - O2 Circuit (Bank 2, Sensor 1) - DTC Chart
P0150 - O2 CIRCUIT (BANK 2, SENSOR 1) - DTC CHART
| Description:
This DTC sets when a concern is detected with one of the circuits used to determine the oxygen content in the exhaust gas. |
Possible Causes:
- UO2S21 circuit open
- UO2S21 circuit short to ground
- UO2S21 circuit short to voltage
- UO2SGREF21 circuit open
- UO2SGREF21 circuit short to ground
- UO2SGREF21 circuit short to voltage
- UO2SPC21 circuit short to ground
- UO2SPC21 circuit short to voltage
- UO2SPCT21 circuit short to ground
- UO2SPCT21 circuit short to voltage
- Incorrect connections
- Damaged or corroded terminals
- Exhaust temperature significantly higher than expected
- Damaged universal heated oxygen sensor bank 2, sensor 1 (HO2S21) heater
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| Diagnostic Aids: |
| Application |
Key On Engine Off |
Key On Engine Running |
Continuous Memory |
| All |
GO to Pinpoint Test DZ
. |